CN212318237U

CN212318237U - Novel piston pump

Info

Publication number: CN212318237U
Application number: CN202020969883.8U
Authority: CN
Inventors: 庞华国
Original assignee: Dongguan Dynamic Sources Technology Co ltd
Current assignee: Dongguan Dynamic Sources Technology Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-01-08
Anticipated expiration: 2030-06-01

Abstract

The utility model provides a novel piston pump, including casing, motor, back and forth movement device, compression storehouse, water inlet, delivery port and control valve, the casing below is provided with water inlet and delivery port, the inside compression storehouse that is provided with of casing, the water inlet is linked together through control valve and compression storehouse with the delivery port, the casing outside still is provided with motor and back and forth movement device, back and forth movement device installs in motor output department, the piston that back and forth movement device output and compression storehouse lateral wall set up links to each other, the motor can drive back and forth movement device extrusion compression storehouse and drive control valve and open or close. The utility model has the advantages of long service life, the cost is lower, the problem that current bathroom accessory peristaltic pump can stick out unable work can not appear not using the back pump line for a long time, after placing for a long time, the pump can also normally take out liquid.

Description

Novel piston pump

Technical Field

The utility model relates to a piston pump technical field especially relates to a novel piston pump.

Background

The peristaltic pump consists of three parts: a drive, a pump head and a hose. The peristaltic pump has the characteristics that the fluid is isolated in the pump pipe, the pump pipe can be quickly replaced, the fluid can reversely move, the dry running can be realized, the maintenance cost is low, and the like.

However, the peristaltic pump is used for automatic liquid supply of bathroom products in the existing market, but the pump pipe is easily stuck and cannot work after the peristaltic pump is not used for a long time.

Therefore, a novel piston pump is developed, and the problem that when the peristaltic pump is used in the existing bathroom accessories, the pump pipe is easy to be stuck to influence the use efficiency is solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel piston pump through carrying out the technological transformation to current piston pump, has solved current bathroom accessory peristaltic pump and has not used the problem that the back pump line can stick and die unable work for a long time, and after placing for a long time, the pump can also normally take out liquid.

In order to solve the technical problem, the utility model discloses specifically adopt following technical scheme:

the utility model provides a novel piston pump, includes casing, motor, back and forth movement device, compression storehouse, water inlet, delivery port and control valve, the casing below is provided with water inlet and delivery port, the inside compression storehouse that is provided with of casing, the water inlet is linked together through control valve and compression storehouse with the delivery port, the casing outside still is provided with motor and back and forth movement device, back and forth movement device installs in motor output department, the piston that back and forth movement device output and compression storehouse lateral wall set up links to each other, the motor can drive back and forth movement device extrusion compression storehouse and drive control valve and open or close.

Preferably, the reciprocating motion device comprises an eccentric cam, a ball bearing and a piston rod, the eccentric cam is installed on an output shaft of the motor, the ball bearing is installed on the outer diameter of the eccentric cam, the piston rod is sleeved outside the ball bearing, the output end of the piston rod is fixedly connected with the piston, the eccentric cam rotates to drive the piston rod to move in a normal direction of the piston, and the piston rod can drive the piston to extrude the compression bin to drive the control valve to be opened or closed.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses it is rotatory to drive eccentric cam by the motor, eccentric cam external diameter is equipped with ball bearing, and a piston rod is equipped with to ball bearing's excircle, piston rod output and piston fixed connection, eccentric cam rotates can drive the piston rod to the normal direction directional motion of piston, eccentric cam rotates can drive piston rod push-and-pull piston, and the compression storehouse produces the volume difference because of piston reciprocating work to, drive vacuum and the pump sending that the control valve in the compression storehouse produced, open or close the passageway of intaking and the passageway of play water and carry.

The utility model has the advantages of long service life, the cost is lower, the problem that current bathroom accessory peristaltic pump can stick out unable work can not appear not using the back pump line for a long time, after placing for a long time, the pump can also normally take out liquid.

Drawings

Fig. 1 is a schematic view of the present invention.

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the compression chamber of the present invention;

fig. 4 is a schematic view of the water inlet chamber and the water outlet chamber of the present invention;

description of reference numerals: the device comprises a shell 1, a motor 2, a reciprocating motion device 3, an eccentric cam 31, a ball bearing 32, a piston rod 33, a compression bin 4, a water inlet 5, a water outlet 6, a control valve 7, a water inlet valve 71, a water outlet valve 72, a piston 8, an oil-containing copper bearing 9, a water inlet cavity 10 and a water outlet cavity 11.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings and examples.

As shown in fig. 1-4, this embodiment provides a novel piston pump, including casing 1, motor 2, reciprocating motion device 3, compression bin 4, water inlet 5, delivery port 6 and control valve 7, casing 1 below is provided with water inlet 5 and delivery port 6, and casing 1 is inside to be provided with compression bin 4, water inlet 5 is linked together with delivery port 6 through control valve 7 and compression bin 4, casing 1 outside still is provided with motor 2 and reciprocating motion device 3, reciprocating motion device 3 installs at the output of motor 2 department, the piston 8 that reciprocating motion device 3 output and compression bin 4 lateral wall set up links to each other, motor 2 can drive reciprocating motion device 3 extrusion compression bin 4 and drive control valve 7 and open or close.

Further, the reciprocating device 3 includes an eccentric cam 31, a ball bearing 32 and a piston rod 33, the eccentric cam 31 is installed on the output shaft of the motor 2, the ball bearing 32 is installed on the outer diameter of the eccentric cam 31, the piston rod 33 is sleeved outside the ball bearing 32, the output end of the piston rod 33 is fixedly connected with the piston 8, the eccentric cam 31 rotates to drive the piston rod 33 to move towards the normal direction of the piston 8, and the piston rod 33 can drive the piston 8 to extrude the compression bin 4 to drive the control valve 7 to open or close.

Further, the control valve 7 includes a water inlet valve 71 and a water outlet valve 72, a water inlet chamber 10 is further disposed between the water inlet 5 and the compression bin 4, the water inlet valve 71 is disposed between the water inlet chamber 10 and the compression bin 4, a water outlet chamber 11 is disposed between the water outlet 6 and the compression bin 4, and the water outlet valve 72 is disposed between the water outlet chamber 11 and the compression bin 4.

Further, the inlet valve 71 and the outlet valve 72 are umbrella-shaped one-way valves.

Further, the tail part of the output shaft of the motor 2 is also provided with an oil-containing copper bearing 9.

In the embodiment, the motor 2 drives the eccentric cam 31 to rotate, the outer diameter of the eccentric cam 31 is provided with the ball bearing 32, the outer circle of the ball bearing 32 is provided with the piston rod 33, the output end of the piston rod 33 is fixedly connected with the piston 8, the eccentric cam 31 rotates to drive the piston rod 33 to move towards the normal direction of the piston 8, the eccentric cam 31 rotates to drive the piston rod 33 to push and pull the piston 8, and the compression bin 4 generates a volume difference due to the reciprocating work of the piston 8, so that the control valve 7 in the compression bin 4 is driven to generate vacuum and pumping, and a water inlet channel and a water outlet channel are opened or closed for conveying. The embodiment has long service life, and advantage such as the cost is lower can not appear current bathroom accessory peristaltic pump and do not use the problem that the back pump line can stick and can't work for a long time, after long-term the placing, the pump can also normally draw liquid.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts ripe bolt, rivet among the prior art. The conventional means such as welding, machines, parts and equipment are of the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the details are not described.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or through an intermediary, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

Claims

1. The utility model provides a novel piston pump, its characterized in that, includes casing, motor, back and forth movement device, compression storehouse, water inlet, delivery port and control valve, the casing below is provided with water inlet and delivery port, the inside compression storehouse that is provided with of casing, the water inlet is linked together through control valve and compression storehouse with the delivery port, the casing outside still is provided with motor and back and forth movement device, back and forth movement device installs in motor output department, the piston that back and forth movement device output and compression storehouse lateral wall set up links to each other, the motor can drive back and forth movement device extrusion compression storehouse and drive control valve and open or close.

2. The novel piston pump as claimed in claim 1, wherein the reciprocating device comprises an eccentric cam, a ball bearing and a piston rod, the eccentric cam is mounted on the output shaft of the motor, the ball bearing is mounted on the outer diameter of the eccentric cam, the piston rod is sleeved outside the ball bearing, the output end of the piston rod is fixedly connected with the piston, the eccentric cam rotates to drive the piston rod to move towards the normal direction of the piston, and the piston rod can drive the piston to extrude the compression chamber to drive the control valve to open or close.

3. The novel piston pump as claimed in claim 2, wherein the control valve comprises a water inlet valve and a water outlet valve, a water inlet chamber is further arranged between the water inlet and the compression bin, the water inlet valve is arranged between the water inlet chamber and the compression bin, a water outlet chamber is arranged between the water outlet and the compression bin, and the water outlet valve is arranged between the water outlet chamber and the compression bin.

4. The piston pump as in claim 3, in which said inlet and outlet valves are umbrella-shaped one-way valves.

5. The novel piston pump as claimed in claim 2, wherein an oil-containing copper bearing is further mounted at the tail of the output shaft of the motor.